Alert archive / Illinois / Areal Flood Warnings in 2019
Areal Flood Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this areal flood warning at Feb 7, 2019, 5:04 AM CST for Clinton County, Marion County, Washington County, Illinois. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 7, 2019, 5:04 AM CST (11:04 UTC)
- Expired
- Feb 7, 2019, 11:00 AM CST
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clinton County, IL, Marion County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 126 km from the middle of the area, began a volume at 11:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 11.1 hours before the alert went out and 356 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this areal flood warning went out at Feb 7, 4:24 AM CST, 40 minutes earlier.
Area forecast discussion, Feb 7, 4:24 AM CST, 40 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Feb 7, 4:57 AM CST, 7 minutes before
Hazardous Weather Outlook National Weather Service Saint Louis MO 457 AM CST Thu Feb 7 2019 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-081200- Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL-Callaway MO- Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO-Gasconade MO- Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO-Lewis MO-Lincoln MO- Macoupin IL-Madison IL-Madison MO-Marion IL-Marion MO-Moniteau MO- Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL- Pike MO-Ralls MO-Randolph IL-Reynolds MO-Saint Charles MO- Saint Clair IL-Saint Francois MO-Saint Louis City MO-Saint Louis MO- Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO- 457 AM CST Thu Feb 7 2019 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Today and tonight. Freezing rain will continue across portions of central and northeast Missouri and west central Illinois. See the Winter Weather Advisory for more information. There is a chance of thunderstorms across portions of southeast Missouri and southwestern Illinois through Noon today. A few of the storms may be strong to severe with the main threats being damaging winds and isolated tornadoes. Localized river flooding is possible due to periods of heavy rain today and may cause some flooding of low-lying areas, especially for parts of southeast Missouri and southwest Illinois. See the Flood Watch for more information. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Snow is likely Sunday morning across the area. Snow accumulations of 1 to 2 inches are currently possible, but some uncertainty remains and these amounts may change as the system nears. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report wintry precipitation type and amounts to the National Weather Service, as well as any severe weather due to thunderstorms. Tilly
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 6:57 PM CST | River Flood Warning | LSX | Reynolds | 39 hr |
| Feb 6, 8:38 PM CST | River Flood Warning | LSX | Crawford, Washington | 4 days |
| Feb 6, 8:50 PM CST | Dense Fog Advisory | LSX | Cole, Crawford, Franklin, Gasconade, Iron, Jefferson and 10 more | 9 hr |
| Feb 7, 5:16 AM CST | Areal Flood Advisory | LSX | Saint Charles, Saint Louis, City of Saint Louis | 6 hr |
| Feb 7, 7:46 AM CST | River Flood Warning | LSX | Lincoln | 23 hr |
| Feb 7, 9:02 AM CST | River Flood Warning | LSX | Osage | 11 hr |
| Feb 7, 10:57 AM CST | River Flood Warning | LSX | Perry, Sainte Genevieve | 68 hr |
| Feb 7, 2:26 PM CST | Wind Chill Advisory | LSX | Knox, Lewis, Marion, Shelby | 19 hr |
| Feb 7, 6:22 AM CST | Special Weather Statement | LSX | Randolph | 23 min |
| Feb 7, 6:37 AM CST | Severe Thunderstorm Warning | LSX | Washington | 23 min |
| Feb 7, 11:36 AM CST | River Flood Warning | LSX | Brown | 21 days |
| Feb 7, 11:36 AM CST | River Flood Warning | LSX | Morgan, Pike | 21 days |
Nearby
Areal Flood Warnings in Illinois, 2019Every areal flood warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.